CN214407932U - Cities and towns pipe network gas tightness detection device - Google Patents
Cities and towns pipe network gas tightness detection device Download PDFInfo
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- CN214407932U CN214407932U CN202120612195.0U CN202120612195U CN214407932U CN 214407932 U CN214407932 U CN 214407932U CN 202120612195 U CN202120612195 U CN 202120612195U CN 214407932 U CN214407932 U CN 214407932U
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Abstract
The utility model relates to a town pipe network gas tightness detection device, including the pipeline, be located the outside cover of pipeline is equipped with the structure of bleeding, the structure of bleeding is located including relative upper seal room and the lower seal room that sets up the last aspiration pump that is provided with of structure of bleeding is located the structural first barometer that is provided with of bleeding. The pipeline air tightness detection device has the effect that operators can conveniently detect the air tightness of the pipeline, so that the possibility of leakage is reduced in the process of connection and use of the pipeline.
Description
Technical Field
The application relates to the field of pipeline detection, in particular to a town pipe network air tightness detection device.
Background
A pipe network is also a piping system for transporting water or gas through pipes, and the pipes inside the pipe network are generally long, but the pipes used to constitute the pipes have a limited length of time since the manufacturers manufacture them, so that the pipes need to be welded or the like to connect them together when they are assembled into the pipes.
With respect to the related art in the above, the inventors have considered that the sealing property at the connection position of the pipes is poor or the pipes may develop cracks due to long-term use, so that gas or liquid, etc. located in the pipes flow out from the cracks.
SUMMERY OF THE UTILITY MODEL
In order to facilitate the operator to inspect the air tightness of the pipeline, thereby reducing the possibility of leakage in the process of connecting and using the pipeline, the application provides a town pipe network air tightness detection device.
The application provides a town pipe network gas tightness detection device adopts following technical scheme:
the utility model provides a town pipe network gas tightness detection device, includes the pipeline, is located the outside cover of pipeline is equipped with air exhaust structure, air exhaust structure is including relative upper seal room and the lower seal room that sets up, is located air exhaust structure is last to be provided with the aspiration pump, is located air exhaust structure is last to be provided with first barometer.
Through adopting above-mentioned technical scheme, will be located the gas pump that seals up the room and seal up the indoor portion down through the aspiration pump and take out to make and be located the upper seal room. The air pressure of the lower sealing chamber and the part of the cavity formed outside the pipeline is reduced, so that the air pressure inside the first air pressure gauge can be read out through the first air pressure gauge, when the numerical value of the first air pressure gauge is unchanged, the air tightness of the pipeline is good, when the numerical value of the first air pressure gauge is increased, the air tightness of the pipeline is poor, an operator can check the air tightness of the pipeline conveniently, and the possibility of leakage is reduced in the connecting and using processes of the pipeline.
Optionally, a sealing strip is arranged at a connection position of the upper sealing chamber and the lower sealing chamber, a first sealing ring is arranged at a position where the upper sealing chamber is connected with the pipeline, and a second sealing ring is arranged at a position where the lower sealing chamber is connected with the pipeline.
Through adopting above-mentioned technical scheme, can reduce because the influence that the numerical value of hookup location gas leakage caused final first barometer through sealing strip, first sealing washer and second sealing washer to improve the degree of accuracy of final result.
Optionally, one end of the inside of the pipeline is provided with a first sealing plate, the other end of the inside of the pipeline is provided with a second sealing plate, one side of the first sealing plate is provided with a first inflator pump, and one side of the second sealing plate is provided with a second inflator pump.
Through adopting above-mentioned technical scheme, fill gas through the inside to the pipeline to make the inside atmospheric pressure of pipeline rise, thereby cause intraductal atmospheric pressure to be high, and the atmospheric pressure in the pipeline outside is low, thereby if the pipeline has the crack, then gaseous outflow outside the pipe from the crack more easily, thereby make the change of the numerical value of first barometer bigger, thereby the operating personnel's of being convenient for detection more.
Optionally, the outer side of the first sealing plate is provided with a first inflation ring, the outer side of the second sealing plate is provided with a second inflation ring, the first inflation ring is communicated with the first inflation pump, and the second inflation ring is communicated with the second inflation pump.
Through adopting above-mentioned technical scheme, thereby aerify the ring through first ring and second and make the inside sealed better of pipeline to and through being connected with first pump and second pump, thereby the operating personnel's of being convenient for operation more.
Optionally, a first valve is arranged on a pipeline where the first inflation ring is communicated with the first inflation pump, and a second valve is arranged on a pipeline where the second inflation ring is communicated with the second inflation pump.
Through adopting above-mentioned technical scheme, can control first ring and the second ring of aerifing through first valve and second valve to thereby reduce because first pump and second pump open always and make the damage that the inside atmospheric pressure of first ring and the second ring of aerifing produced too big.
Optionally, a driving member for driving the first sealing plate and the second sealing plate to move relatively is disposed at an opposite side of the first sealing plate and the second sealing plate.
Through adopting above-mentioned technical scheme, thereby make the distance between first closing plate and the second closing plate adjustable through the driving piece to when making the pipeline take place to leak, can progressively adjust the interval between first closing plate and the second closing plate, thereby make the scope that can dwindle the detection gradually, thereby final definite leakage point.
Optionally, a supporting table is arranged below the driving element, and a roller is arranged below the supporting table.
Through adopting above-mentioned technical scheme, remove through a supporting bench and the gyro wheel that is located a supporting bench below to can be more convenient adjust the distance between relative first closing plate and the second closing plate, thereby be convenient for operating personnel's operation.
Optionally, the driving part adopts a hydraulic cylinder, the hydraulic cylinder is located on one side of the first sealing plate and the second sealing plate, a hydraulic rod of the hydraulic cylinder extends out of the other side of the first sealing plate and the second sealing plate, a locking sheet is arranged on one side of the hydraulic rod, which deviates from the hydraulic cylinder, and the locking sheet is connected with the hydraulic rod through a bolt.
Through adopting above-mentioned technical scheme, through screwing up the screw rod on the hydraulic stem to make hydraulic stem and first closing plate and second closing plate one of them fix, when needs are dismantled, operating personnel can dismantle the screw rod in the outside, thereby can make closing plate and second closing plate can dismantle, thereby be convenient for operating personnel's operation.
In summary, the present application includes at least one of the following beneficial technical effects:
1. and pumping out the gas inside the upper sealed chamber and the lower sealed chamber by using a suction pump so as to enable the gas to be positioned in the upper sealed chamber. The air pressure of the lower sealing chamber and the part of the cavity formed outside the pipeline is reduced, so that the air pressure inside the first air pressure gauge can be read out through the first air pressure gauge, when the numerical value of the first air pressure gauge is unchanged, the air tightness of the pipeline is good, when the numerical value of the first air pressure gauge is increased, the air tightness of the pipeline is poor, an operator can check the air tightness of the pipeline conveniently, and the possibility of leakage is reduced in the connecting and using processes of the pipeline.
2. Through the inside gassing to the pipeline to make the inside atmospheric pressure of pipeline rise, thereby cause the intraductal atmospheric pressure high, and the atmospheric pressure in the pipeline outside is low, thereby if the pipeline has the crack, gaseous outflow outside the pipe from the crack more easily, thereby make the change of the numerical value of first barometer bigger, thereby the operating personnel's of being convenient for detection more.
3. Thereby make the distance between first sealing plate and the second sealing plate adjustable through the driving piece to when making the pipeline take place to leak, can progressively adjust the interval between first sealing plate and the second sealing plate, thereby make the scope that can dwindle the detection gradually, thereby final definite leakage point.
Drawings
Fig. 1 is a schematic overall structure diagram of an urban pipe network air tightness detection device in an embodiment of the present application;
FIG. 2 is a schematic view of the internal structure of a pipe of a town pipe network air tightness detection device in the embodiment of the present application
Fig. 3 is an enlarged view of a portion a in fig. 2.
Description of reference numerals: 1. a pipeline; 2. an upper seal chamber; 21. a first seal strip; 22. a first seal ring; 23. an air pump; 24. a first barometer; 3. a lower seal chamber; 31. a second seal strip; 32. a second seal ring; 4. a first sealing plate; 41. a first inflation ring; 42. a first inflator; 421. a first main pipe; 422. a first secondary conduit; 423. a first valve; 424. a second barometer; 5. a second sealing plate; 51. a second gas filled ring; 52. a second inflator; 521. a second main pipe; 522. a second secondary conduit; 523. a second valve; 53. a through hole; 54. a locking piece; 541. a bolt; 6. a hydraulic cylinder; 61. a hydraulic lever; 62. a support table; 621. and a roller.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses town pipe network airtightness detection device. Referring to fig. 1 and 2, the town pipe network air tightness detection device comprises a horizontally arranged pipeline 1, an upper sealing chamber 2 and a lower sealing chamber 3 are arranged on the outer side of a pipe body of the pipeline 1 in parallel from top to bottom, and the upper sealing chamber 2 and the lower sealing chamber 3 are of cavity structures. A rectangular cavity is formed by the upper and lower sealed chambers 2 and 3, so that the part to be measured of the pipe 1 is enclosed inside the enclosed cavity.
The lower surface of the upper sealing chamber 2 is provided with a first sealing strip 21, and the first sealing strip 21 is fixedly connected with the upper sealing chamber 2. And a second sealing strip 31 is arranged on the upper surface of the lower sealing chamber 3, and the second sealing strip 31 is fixedly connected with the lower sealing chamber 3.
And the connecting position of the upper sealing chamber 2 and the pipeline 1 is provided with a first sealing ring 22, the first sealing ring 22 is of a semicircular structure, and the first sealing ring 22 is fixedly connected with the upper sealing chamber 2. And a second sealing ring 32 is arranged at the position where the lower sealing chamber 3 is connected with the pipeline 1, the second sealing ring 32 is of a semicircular structure, and the second sealing ring 32 is fixedly connected with the lower sealing chamber 3. Thereby sealing the connection between the upper and lower sealed chambers 2 and 3 by the first and second sealing strips 21 and 31, and sealing the connection between the upper and lower sealed chambers 2 and 3 and the pipe 1 by the first and second sealing rings 22 and 32, so that the air inside the upper and lower sealed chambers 2 and 3 cannot be discharged.
An air suction pump 23 is arranged on the outer side of the upper sealed chamber 2, and an air inlet pipe of the air suction pump 23 extends into the upper sealed chamber 2, so that air in the upper sealed chamber 2 and the lower sealed chamber 3 is sucked out, and the air pressure in the upper sealed chamber 2 and the lower sealed chamber 3 is reduced. A first air pressure gauge 24 is disposed outside the upper sealed chamber 2, and a joint of the first air pressure gauge 24 extends into the inside of the upper sealed chamber 2, thereby measuring the air pressure inside the upper sealed chamber 2.
Therefore, when the air pump 23 is started to pump the air in the upper sealed chamber 2 and the lower sealed chamber 3, the air pressure in the upper sealed chamber 2 and the lower sealed chamber 3 can be measured through the first air pressure gauge 24 after the air pump is started to pump the air, and when the value of the first air pressure gauge 24 changes, the pipeline 1 of the tested section is indicated to be leaked.
The one end that is located the inside of pipeline 1 is provided with first closing plate 4, and first closing plate 4 is circular structure, and coaxial setting between first closing plate 4 and the pipeline 1, and the outside that is located first closing plate 4 sets up the cover and is equipped with first ring 41 that aerifys, fixed connection between first ring 41 and the first closing plate 4 that aerifys.
One side that deviates from first closing plate 4 in the inside that is located pipeline 1 is provided with second closing plate 5, and second closing plate 5 is circular structure, and coaxial setting between second closing plate 5 and the pipeline 1. The second inflating ring 51 is sleeved on the outer side of the second sealing plate 5, and the second inflating ring 51 is fixedly connected with the second sealing plate 5.
One side that is located first closing plate 4 and deviates from second closing plate 5 is provided with first pump 42, and the end of giving vent to anger of first pump 42 is provided with first trunk line 421 and first secondary pipe 422, and first trunk line 421 stretches into the inside of pipeline 1 from first closing plate 4 to aerify pipeline 1's inside through first trunk line 421, thereby make the inside atmospheric pressure increase of pipeline 1. The first secondary conduit 422 is in communication with the first inflation ring 41 such that the first inflation ring 41 is inflated through the first secondary conduit 422. A first valve 423 is disposed on the first sub-pipe 422, and the first valve 423 controls the opening and closing of the first sub-pipe 422. A second barometer 424 is arranged on one side of the first sealing plate 4, which is away from the first sealing plate 4, and a joint of the second barometer 424 extends into the pipeline 1, so that the pressure inside the pipeline 1 can be measured through the second barometer 424.
When the first valve 423 is opened, the interior of the first inflation ring 41 starts to inflate, so that the outside of the first inflation ring 41 abuts against the interior of the pipe 1, thereby sealing the position of the first inflation ring 41.
One side that is located second closing plate 5 and deviates from first closing plate 4 is provided with second pump 52, and the end of giving vent to anger of second pump 52 is including second trunk line 521 and the vice pipeline 522 of second, and second trunk line 521 stretches into the inside of pipeline 1 from second closing plate 5 to aerify the inside of pipeline 1 through second trunk line 521, thereby make the inside atmospheric pressure increase of pipeline 1. The second secondary conduit 522 is in communication with the second inflation ring 51 such that the second inflation ring 51 is inflated through the second secondary conduit 522. A second valve 523 is disposed on the second secondary conduit 522, and the opening and closing of the second secondary conduit 522 is controlled by the second valve 523.
So that the interior of the pipeline 1 is inflated by the first and second inflators 42 and 52 to increase the air pressure inside the pipeline 1, thereby increasing the air pressure inside the pipeline 1 at which the portion of the pipeline 1 to be measured is located inside the pipeline 1. The gas pressure in the upper and lower sealed chambers 2 and 3 located outside the pipe 1 is reduced. Therefore, if a small gap exists on the pipe body of the pipeline 1 to be tested, high-pressure gas in the pipeline 1 can flow into the upper sealing chamber 2 and the lower sealing chamber 3. Thereby causing the values of the first barometer 24 and the second barometer 424 to change.
The lateral wall that is located first closing plate 4 and is close to one side of second closing plate 5 is provided with pneumatic cylinder 6, and pneumatic cylinder 6 level sets up, and fixed connection between pneumatic cylinder 6 and the first closing plate 4, and is located second closing plate 5 and has seted up through-hole 53 for the position of the hydraulic stem 61 of pneumatic cylinder 6, and the fixed stay 54 that is provided with for the position of through-hole 53 is located one side that second closing plate 5 deviates from first closing plate 4. And the hydraulic rod 61 of the hydraulic cylinder 6 extends into from the through hole 53 and abuts against the locking sheet 54, a bolt 541 is horizontally arranged on one side of the locking sheet 54 departing from the hydraulic cylinder 6, and the bolt 541, the locking sheet 54 and the hydraulic rod 61 are in threaded connection.
So that when mounted, the hydraulic rod 61 of the hydraulic cylinder 6 projects into the inside of the through hole 53, and the operator screws in the bolt 541, thereby fixing the hydraulic rod 61 to the second seal plate 5. When disassembly is required, the operator may unscrew the bolts 541 externally, thereby disengaging the hydraulic rod 61 from the second seal plate 5.
Referring to fig. 2 and 3, a support table 62 is provided below the hydraulic cylinder 6, and the support table 62 is fixedly connected to the hydraulic cylinder 6 so as to support the hydraulic rod 61 inside the pipe 1. The support base 62 has a rectangular configuration, and a roller 621 is provided below the support base 62, and the roller 621 can roll inside the pipe 1. So that the first and second seal plates 4 and 5 can be moved by the movement of the support table 62 before the first and second gas-filled rings 41 and 51 are not inflated.
When the pipeline 1 leaks, the position of the pipeline 1 to be measured can be adjusted by adjusting the length of the hydraulic rod 61, so that the leaking position can be determined through multiple measurements.
The implementation principle of the town pipe network air tightness detection device in the embodiment of the application is as follows: through starting first pump 42 and second pump 52, aerify the inside of pipeline 1, open first valve 423 and second valve 523, thereby make and to aerify first ring 41 and second ring 51 of aerifing, thereby make the inside that is located the pipeline 1 that awaits measuring to seal, thereby continuous inflation through first pump 42 and second pump 52, thereby make the inside atmospheric pressure of pipeline 1 increase, wait after the inside atmospheric pressure of pipeline 1 reachs certain numerical value, close first pump 42 and second pump 52.
The air suction pump 23 is activated to suck out the air located inside the upper and lower hermetic chambers 2 and 3, thereby reducing the air pressure located inside the upper and lower hermetic chambers 2 and 3. The suction pump 23 is turned off so that a person checks the airtightness of the pipeline 1 by observing whether the values of the first barometer 24 and the second barometer 424 are changed.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a town pipe network gas tightness detection device, includes pipeline (1), its characterized in that: the outer side of the pipeline (1) is sleeved with an air exhaust structure, the air exhaust structure comprises an upper sealing chamber (2) and a lower sealing chamber (3) which are oppositely arranged, an air exhaust pump (23) is arranged on the air exhaust structure, and a first barometer (24) is arranged on the air exhaust structure.
2. The town pipe network airtightness detection device according to claim 1, characterized in that: the sealing device is characterized in that a sealing strip is arranged at the connecting position of the upper sealing chamber (2) and the lower sealing chamber (3), a first sealing ring (22) is arranged at the connecting position of the upper sealing chamber (2) and the pipeline (1), and a second sealing ring (32) is arranged at the connecting position of the lower sealing chamber (3) and the pipeline (1).
3. The town pipe network airtightness detection device according to claim 1, characterized in that: the pipeline sealing structure is characterized in that a first sealing plate (4) is arranged at one end of the interior of the pipeline (1), a second sealing plate (5) is arranged at the other end of the interior of the pipeline (1), a first inflator pump (42) is arranged on one side of the first sealing plate (4), and a second inflator pump (52) is arranged on one side of the second sealing plate (5).
4. The town pipe network airtightness detection device according to claim 3, characterized in that: and a driving piece for pushing the first sealing plate (4) and the second sealing plate (5) to move relatively is arranged on one opposite side of the first sealing plate and the second sealing plate.
5. The town pipe network airtightness detection device according to claim 3, characterized in that: the outer side of the first sealing plate (4) is provided with a first inflation ring (41), the outer side of the second sealing plate (5) is provided with a second inflation ring (51), the first inflation ring (41) is communicated with a first inflation pump (42), and the second inflation ring (51) is communicated with a second inflation pump (52).
6. The town pipe network airtightness detection device according to claim 4, wherein: a support table (62) is arranged below the driving piece, and a roller (621) is arranged below the support table (62).
7. The town pipe network airtightness detection device according to claim 4, wherein: the driving piece adopts pneumatic cylinder (6), pneumatic cylinder (6) are located first sealing plate (4) and second sealing plate (5) one side wherein, and hydraulic stem (61) of pneumatic cylinder (6) stretch out from one of them in first sealing plate (4) and second sealing plate (5), and lie in hydraulic stem (61) and deviate from one side of pneumatic cylinder (6) is provided with stay (54), stay (54) with hydraulic stem (61) are through bolt (541) connection.
8. The town pipe network airtightness detection device according to claim 5, characterized in that: a first valve (423) is arranged on a pipeline which is positioned on the first inflation ring (41) and communicated with the first inflation pump (42), and a second valve (523) is arranged on a pipeline which is positioned on the second inflation ring (51) and communicated with the second inflation pump (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120612195.0U CN214407932U (en) | 2021-03-25 | 2021-03-25 | Cities and towns pipe network gas tightness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120612195.0U CN214407932U (en) | 2021-03-25 | 2021-03-25 | Cities and towns pipe network gas tightness detection device |
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| Publication Number | Publication Date |
|---|---|
| CN214407932U true CN214407932U (en) | 2021-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120612195.0U Active CN214407932U (en) | 2021-03-25 | 2021-03-25 | Cities and towns pipe network gas tightness detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114252451A (en) * | 2021-12-14 | 2022-03-29 | 邹根顺 | Heating pipeline damage detection device with clearance function |
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2021
- 2021-03-25 CN CN202120612195.0U patent/CN214407932U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114252451A (en) * | 2021-12-14 | 2022-03-29 | 邹根顺 | Heating pipeline damage detection device with clearance function |
| CN114252451B (en) * | 2021-12-14 | 2023-09-08 | 唐山海港区城市供热有限公司 | Heating pipeline damage detection device with clearance function |
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